GeForce GTX 850M vs GeForce GTX 980M

Intro

Compare all of that to the GeForce GTX 980M, which features GPU core speed of 1038 MHz, and 4096 MB of GDDR5 RAM running at 1000 MHz through a 256-bit bus. It also is made up of 1536 Stream Processors, 96 Texture Address Units, and 64 Raster Operation Units.

Display Graphs

Hide Graphs

Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 980M		9476 points
GeForce GTX 850M		3340 points
	Difference: 6136 (184%)

Zcash Mining Hash Rate

GeForce GTX 980M		155 Sol/s
GeForce GTX 850M		49 Sol/s
	Difference: 106 (216%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M		40 Watts
GeForce GTX 980M		100 Watts
	Difference: 60 Watts (150%)

Memory Bandwidth

The GeForce GTX 980M should in theory perform much faster than the GeForce GTX 850M overall. (explain)

GeForce GTX 980M		128000 MB/sec
GeForce GTX 850M		32000 MB/sec
	Difference: 96000 (300%)

Texel Rate

The GeForce GTX 980M should be much (more or less 184%) more effective at anisotropic filtering than the GeForce GTX 850M. (explain)

GeForce GTX 980M		99648 Mtexels/sec
GeForce GTX 850M		35040 Mtexels/sec
	Difference: 64608 (184%)

Pixel Rate

The GeForce GTX 980M will be a lot (more or less 374%) better at AA than the GeForce GTX 850M, and also will be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 980M		66432 Mpixels/sec
GeForce GTX 850M		14016 Mpixels/sec
	Difference: 52416 (374%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.